Divisional Rankings

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Please note, Degree Days and Palmer Indices are not available for Alaska. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Illinois, Climate Division 3. West

Average Temperature Rankings, January 1921

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2023)	Warmest/Coolest Since	Record
January 1921 1-Month	31.4°F (-0.3°C)	23.8°F (-4.6°C)	7.6°F (4.3°C)	119th Coolest	Coolest since: 1920	1977
January 1921 1-Month	31.4°F (-0.3°C)	23.8°F (-4.6°C)	7.6°F (4.3°C)	11th Warmest	Warmest since: 1914	2006
Dec 1920–Jan 1921 2-Month	31.0°F (-0.6°C)	26.1°F (-3.3°C)	4.9°F (2.7°C)	114th Coolest	Coolest since: 1920	1918
	31.0°F (-0.6°C)	26.1°F (-3.3°C)	4.9°F (2.7°C)	15th Warmest	Warmest since: 1919	1932
	Ties: 2006
Nov 1920–Jan 1921 3-Month	33.2°F (0.7°C)	30.8°F (-0.7°C)	2.4°F (1.4°C)	96th Coolest	Coolest since: 1920	1977
	33.2°F (0.7°C)	30.8°F (-0.7°C)	2.4°F (1.4°C)	33rd Warmest	Warmest since: 1919	2002
	Ties: 1966
Oct 1920–Jan 1921 4-Month	39.8°F (4.3°C)	36.8°F (2.7°C)	3.0°F (1.6°C)	112th Coolest	Coolest since: 1920	1977
Oct 1920–Jan 1921 4-Month	39.8°F (4.3°C)	36.8°F (2.7°C)	3.0°F (1.6°C)	17th Warmest	Warmest since: 1919	1932
Sep 1920–Jan 1921 5-Month	45.5°F (7.5°C)	42.6°F (5.9°C)	2.9°F (1.6°C)	117th Coolest	Coolest since: 1920	1977
	45.5°F (7.5°C)	42.6°F (5.9°C)	2.9°F (1.6°C)	12th Warmest	Warmest since: 1914	1932
	Ties: 1999, 2022
Aug 1920–Jan 1921 6-Month	50.0°F (10.0°C)	47.8°F (8.8°C)	2.2°F (1.2°C)	110th Coolest	Coolest since: 1920	1977
	50.0°F (10.0°C)	47.8°F (8.8°C)	2.2°F (1.2°C)	19th Warmest	Warmest since: 1919	1932
	Ties: 1900, 1919, 1948
Jul 1920–Jan 1921 7-Month	53.4°F (11.9°C)	51.8°F (11.0°C)	1.6°F (0.9°C)	104th Coolest	Coolest since: 1920	1977
	53.4°F (11.9°C)	51.8°F (11.0°C)	1.6°F (0.9°C)	25th Warmest	Warmest since: 1919	1932
	Ties: 1919, 1941, 1947, 2013
Jun 1920–Jan 1921 8-Month	55.7°F (13.2°C)	54.3°F (12.4°C)	1.4°F (0.8°C)	101st Coolest	Coolest since: 1920	1977
	55.7°F (13.2°C)	54.3°F (12.4°C)	1.4°F (0.8°C)	28th Warmest	Warmest since: 1919	1932
	Ties: 1947, 1972, 2013
May 1920–Jan 1921 9-Month	56.3°F (13.5°C)	55.2°F (12.9°C)	1.1°F (0.6°C)	97th Coolest	Coolest since: 1920	1918, 1977
	56.3°F (13.5°C)	55.2°F (12.9°C)	1.1°F (0.6°C)	32nd Warmest	Warmest since: 1919	1932
	Ties: 1941, 1957, 2007
Apr 1920–Jan 1921 10-Month	55.2°F (12.9°C)	54.8°F (12.7°C)	0.4°F (0.2°C)	71st Coolest	Coolest since: 1920	1918
	55.2°F (12.9°C)	54.8°F (12.7°C)	0.4°F (0.2°C)	58th Warmest	Warmest since: 1919	1932
	Ties: 1896, 1898
Mar 1920–Jan 1921 11-Month	53.9°F (12.2°C)	53.4°F (11.9°C)	0.5°F (0.3°C)	81st Coolest	Coolest since: 1920	1918
	53.9°F (12.2°C)	53.4°F (11.9°C)	0.5°F (0.3°C)	48th Warmest	Warmest since: 1919	1932, 2013, 2017
	Ties: 1900, 1915, 2019
Feb 1920–Jan 1921 12-Month	51.7°F (10.9°C)	51.2°F (10.7°C)	0.5°F (0.2°C)	78th Coolest	Coolest since: 1920	1918
	51.7°F (10.9°C)	51.2°F (10.7°C)	0.5°F (0.2°C)	51st Warmest	Warmest since: 1919	1932
	Ties: 1901, 1965, 2020
Aug 1919–Jan 1921 18-Month	49.7°F (9.8°C)	50.1°F (10.1°C)	-0.4°F (-0.3°C)	36th Coolest	Coolest since: 1919	1905, 1918
	49.7°F (9.8°C)	50.1°F (10.1°C)	-0.4°F (-0.3°C)	92nd Warmest	Warmest since: 1920	2017
	Ties: 1911, 1912, 1945, 1976, 1985, 1986, 2009
Feb 1919–Jan 1921 24-Month	51.3°F (10.7°C)	51.2°F (10.7°C)	0.1°F (0.0°C)	71st Coolest	Coolest since: 1919	1918
	51.3°F (10.7°C)	51.2°F (10.7°C)	0.1°F (0.0°C)	57th Warmest	Warmest since: 1920	1932
	Ties: 1929, 1966, 1996, 2004
Feb 1918–Jan 1921 36-Month	51.8°F (11.0°C)	51.2°F (10.7°C)	0.6°F (0.3°C)	85th Coolest	Coolest since: 1920	1905
	51.8°F (11.0°C)	51.2°F (10.7°C)	0.6°F (0.3°C)	42nd Warmest	Warmest to Date	1933
	Ties: 1937, 1944
Feb 1917–Jan 1921 48-Month	50.5°F (10.3°C)	51.2°F (10.7°C)	-0.7°F (-0.4°C)	21st Coolest	Coolest since: 1920	1905
	50.5°F (10.3°C)	51.2°F (10.7°C)	-0.7°F (-0.4°C)	105th Warmest	Warmest since: 1917	1934
	Ties: 1964
Feb 1916–Jan 1921 60-Month	50.5°F (10.3°C)	51.2°F (10.7°C)	-0.7°F (-0.4°C)	18th Coolest	Coolest since: 1920	1906, 1907
	50.5°F (10.3°C)	51.2°F (10.7°C)	-0.7°F (-0.4°C)	107th Warmest	Warmest since: 1918	1935
	Ties: 1904, 1909, 1918

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published March 2023, retrieved on March 25, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings